Fix syntax errors in Telemetry class by adding thread safety to __init__ method

Co-Authored-By: Joe Moura <joao@crewai.com>

src/crewai/telemetry/telemetry.py

@@ -66,6 +66,8 @@ class Telemetry:
         return cls._instance
 
     def __init__(self):
+        if not self._initialized:
+            with self._instance_lock:
                 if not self._initialized:
                     self.ready = False
                     self.trace_set = False